adding build status to readme
adding build status to readme

bryanl/doit,bryanl/docli,bryanl/docli,aybabtme/doit,bryanl/doit,thebyrd/doit,mattkanwisher/doit,xmudrii/doctl,bryanl/doit,xmudrii/doctl,bryanl/doit,bryanl/docli,digitalocean/doctl,digitalocean/doctl